diff --git a/src/main/java/org/eclipse/tractusx/managedidentitywallets/config/ExceptionHandling.java b/src/main/java/org/eclipse/tractusx/managedidentitywallets/config/ExceptionHandling.java
index f272c0f25..4fc903caa 100644
--- a/src/main/java/org/eclipse/tractusx/managedidentitywallets/config/ExceptionHandling.java
+++ b/src/main/java/org/eclipse/tractusx/managedidentitywallets/config/ExceptionHandling.java
@@ -27,7 +27,7 @@
 import lombok.extern.slf4j.Slf4j;
 import org.apache.commons.lang3.exception.ExceptionUtils;
 import org.eclipse.tractusx.managedidentitywallets.exception.*;
-import org.eclipse.tractusx.ssi.lib.exception.NoVerificationKeyFoundExcpetion;
+import org.eclipse.tractusx.ssi.lib.exception.proof.NoVerificationKeyFoundException;
 import org.springframework.data.mapping.PropertyReferenceException;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.ProblemDetail;
@@ -205,8 +205,8 @@ ProblemDetail handleMethodArgumentTypeMismatchException(MethodArgumentTypeMismat
      * @param exception the exception
      * @return the problem detail
      */
-    @ExceptionHandler(NoVerificationKeyFoundExcpetion.class)
-    ProblemDetail handleNoVerificationKeyFoundException(NoVerificationKeyFoundExcpetion exception) {
+    @ExceptionHandler(NoVerificationKeyFoundException.class)
+    ProblemDetail handleNoVerificationKeyFoundException(NoVerificationKeyFoundException exception) {
         ProblemDetail problemDetail = ProblemDetail.forStatusAndDetail(HttpStatus.BAD_REQUEST, ExceptionUtils.getMessage(exception));
         problemDetail.setTitle(ExceptionUtils.getMessage(exception));
         problemDetail.setProperty(TIMESTAMP, System.currentTimeMillis());
diff --git a/src/main/java/org/eclipse/tractusx/managedidentitywallets/sts/SecureTokenIssuerImpl.java b/src/main/java/org/eclipse/tractusx/managedidentitywallets/sts/SecureTokenIssuerImpl.java
index 7edfec7c0..ce94b99d3 100644
--- a/src/main/java/org/eclipse/tractusx/managedidentitywallets/sts/SecureTokenIssuerImpl.java
+++ b/src/main/java/org/eclipse/tractusx/managedidentitywallets/sts/SecureTokenIssuerImpl.java
@@ -37,7 +37,7 @@
 import org.eclipse.tractusx.managedidentitywallets.interfaces.SecureTokenIssuer;
 import org.eclipse.tractusx.managedidentitywallets.utils.EncryptionUtils;
 import org.eclipse.tractusx.ssi.lib.crypt.octet.OctetKeyPairFactory;
-import org.eclipse.tractusx.ssi.lib.crypt.x21559.x21559PrivateKey;
+import org.eclipse.tractusx.ssi.lib.crypt.x25519.x25519PrivateKey;
 import org.springframework.stereotype.Component;
 
 import java.time.Instant;
@@ -103,7 +103,7 @@ private JWT createSignedJWT(KeyPair keyPair, JWTClaimsSet.Builder builder) {
         SignedJWT signedJWT = new SignedJWT(header, body);
         String privateKey = encryptionUtils.decrypt(keyPair.privateKey());
         // todo bri: this should become dynamic in the future, as we want to support more key algos.
-        OctetKeyPair jwk = new OctetKeyPairFactory().fromPrivateKey(new x21559PrivateKey(privateKey, true));
+        OctetKeyPair jwk = new OctetKeyPairFactory().fromPrivateKey(new x25519PrivateKey(privateKey, true));
         Ed25519Signer signer = new Ed25519Signer(jwk);
         signedJWT.sign(signer);
         log.debug("JWT signed for issuer '{}' and holder '{}'", builder.getClaims().get("iss"),